郑重声明：没有关系！ 3.1415926是近似数，π是绝对精确的原版。

来源: π 于 2010-09-01 03:43:03 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.